Note 15 - Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

										Affected Line Item in the
Details about Accumulated Other	Amounts Reclassified from Accumulated									Consolidated
Comprehensive Income (Loss) Components	Other Comprehensive Income (Loss)									Statements of Income
	For the Year Ended
	December 31,
(dollars in thousands)	2023			2022			2021
Sale of investment securities available-for-sale	$	-		$	-		$	195		Net gains on sale of investment securities
		-			-			(48	)	Income tax expense
		-			-			147
Net interest income (expense) on derivatives		20,230			3,243			(1,873	)	Interest income (expense)
		(6,086	)		(976	)		528		Income tax (benefit) expense
		14,144			2,267			(1,345	)
Amortization of pension plan net actuarial losses		(296	)		(66	)		(299	)	Salaries and employee benefits
		89			20			84		Income tax benefit
		(207	)		(46	)		(215	)
Total reclassification	$	13,937		$	2,221		$	(1,413	)

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	2023			2022
	(dollars in thousands)
Investment securities available-for-sale, net of tax	$	(57,835	)	$	(61,775	)
Derivatives, net of tax		24,810			32,360
Defined benefit pension, net of tax		(2,084	)		(2,949	)
Total	$	(35,109	)	$	(32,364	)